How To Fix CNV_OM_PRESEL029 - Preselection &1 for DMOD &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 029

• Message text: Preselection &1 for DMOD &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL029 - Preselection &1 for DMOD &2 ?

  The SAP error message CNV_OM_PRESEL029 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the preselection of data for a specific data migration object (DMOD).
  Cause:
  The error message CNV_OM_PRESEL029 can be caused by several factors, including:
  
  Data Inconsistencies: The data being migrated may have inconsistencies or issues that prevent it from being preselected correctly.
  Configuration Issues: There may be configuration settings in the migration cockpit or the source system that are not aligned with the requirements of the target system.
  Missing Data: Required data for the migration object may be missing or incomplete in the source system.
  Mapping Issues: There may be issues with the mapping of fields between the source and target systems.
  
  Solution:
  To resolve the error CNV_OM_PRESEL029, you can take the following steps:
  
  Check Data Consistency: Review the data in the source system for any inconsistencies or missing entries that could affect the preselection process.
  Review Configuration: Ensure that the configuration settings for the migration object are correct and that they match the requirements of the target system.
  Validate Mapping: Check the mapping of fields between the source and target systems to ensure that all required fields are correctly mapped.
  Run Preselection Again: After addressing any identified issues, attempt to run the preselection process again to see if the error persists.
  Consult Documentation: Refer to the SAP documentation for the specific migration object you are working with for any additional requirements or troubleshooting steps.
  Check Logs: Review the logs generated during the migration process for more detailed error messages that can provide insights into the specific cause of the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may provide additional context and troubleshooting steps for common errors.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.